PAKPAHAN, D. N.; SIREGAR, R. E. The Effect of Implementing the Problem Based Learning Model on the Motivation and Learning Outcomes of Class XI TKRO Students in the Light Vehicle Engine Maintenance Subject at SMK Negeri 1 Pangaribuan. International Journal of Applied Research and Sustainable Sciences, [S. l.], v. 2, n. 6, p. 485–496, 2024. DOI: 10.59890/ijarss.v2i6.2079. Disponível em: https://journal.multitechpublisher.com/index.php/ijarss/article/view/2079. Acesso em: 21 jun. 2026.